Difference Between RNA and DNA: Major Types of RNA
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Questions and Answers

Which type of RNA carries information that specifies a particular protein?

  • Ribosomal RNA (rRNA)
  • Non-coding RNA (ncRNA)
  • Messenger RNA (mRNA) (correct)
  • Transfer RNA (tRNA)

    • What differentiates mRNA molecules called transcripts in differentiated cells?

  • Specific amino acid sequence (correct)
  • The presence of ribosomal RNA (rRNA)
  • Cellular location within the cytoplasm
  • Length of the mRNA molecule

    • Which type of RNA provides structural support by associating with proteins to form ribosomes?

  • Non-coding RNA (ncRNA)
  • Transfer RNA (tRNA)
  • Ribosomal RNA (rRNA) (correct)
  • Messenger RNA (mRNA)

    • What is the function of transfer RNA (tRNA) during protein synthesis?

    <p>Binding mRNA codon and specific amino acid</p> Signup and view all the answers

    Which type of RNA consists of two subunits that join during protein synthesis?

    <p>Ribosomal RNA (rRNA)</p> Signup and view all the answers

    What characteristic differentiates mRNA bases from other types of RNA?

    <p>Formation of codons for amino acids</p> Signup and view all the answers

    Which nitrogenous base is classified as a purine?

    <p>Guanine</p> Signup and view all the answers

    In DNA, which carbon of the deoxyribose sugar is attached to the 3' carbon of the previous nucleotide?

    <p>5'</p> Signup and view all the answers

    What type of bond forms between deoxyribose sugars and phosphates in DNA?

    <p>Phosphodiester bond</p> Signup and view all the answers

    Which nitrogenous base is classified as a pyrimidine?

    <p>Thymine</p> Signup and view all the answers

    What is the term used to describe the specific pairing of purines and pyrimidines in DNA?

    <p>Complementarity</p> Signup and view all the answers

    Which two carbons in the deoxyribose sugar are considered most important in DNA structure?

    <p>'3 and '5</p> Signup and view all the answers

    What is the pairing between Adenine (A) and Thymine (T) an example of?

    <p>Base pairing</p> Signup and view all the answers

    Which protein is responsible for forming frameworks that guide DNA strands?

    <p>Scaffold proteins</p> Signup and view all the answers

    What percentage of DNA is composed of histone proteins?

    <p>30%</p> Signup and view all the answers

    What brings together parts of the DNA sequence within the same long DNA sequence to form a 'loop-ome' structure?

    <p>CTCF protein</p> Signup and view all the answers

    Which molecule acts as a bridge between genes and proteins?

    <p>Ribonucleic acid (RNA)</p> Signup and view all the answers

    What is the term used for DNA coiled around a histone protein in chromatin?

    <p>Nucleosome</p> Signup and view all the answers

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